2² × 5² × 311 × 691

Prime Factor Structure

Factorization String 2^2 × 5^2 × 311 × 691

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 46,851,168

Proper Divisor Sum 25,361,068

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #21490093 ← → #21490103

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

21,490,100 10,745,050 5,372,525 16,117,576 8,058,788 4,029,394 2,014,697 6,044,092 3,022,046 1,511,023 4,533,070 2,266,535 6,799,606 3,399,803 10,199,410 5,099,705 15,299,116 7,649,558 3,824,779 11,474,338 5,737,169 17,211,508 8,605,754 4,302,877 12,908,632 6,454,316 3,227,158 1,613,579 4,840,738 2,420,369 7,261,108 3,630,554 1,815,277 5,445,832 2,722,916 1,361,458 680,729 2,042,188 1,021,094 510,547 1,531,642 765,821 2,297,464 1,148,732 574,366 287,183 861,550 430,775 1,292,326 646,163 1,938,490 969,245 2,907,736 1,453,868 726,934 363,467 1,090,402 545,201 1,635,604 817,802

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.